| Process | Pressure casting |
|---|---|
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Used for high quality castings. It is also called "low-pressure casting" because of the low pressures involved.
Molten metal is forced upward by gas pressure into a graphite or metal mould. Pressure is maintained until the metal has completely solidified into the mould. A vacuum can also be used (lower porosity). |
Danish Name
|
Gastrykstøbning |
Category
|
Mass conserving processes, Metal casting |
Typical products
|
Louis Poulsen lamp Steel railroad-car wheel |
Photo
|
Thomas Nissen (Computer graphics) |
Copyright
|
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